Home / 258,278.63-386,773.61-163,222.04

Finding the Fourth Proportional to 258,278.63, 386,773.61 and 163,222.04

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Solution

The fourth proportional to 258,278.63, 386,773.61 and 163,222.04 is: 244,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,278.63 : 386,773.61 = 163,222.04 : x
  2. Step 2: Convert to fraction form
    258,278.63/386,773.61 = 163,222.04/x
  3. Step 3: Cross multiply
    258,278.63x = 386,773.61 × 163,222.04
  4. Step 4: Simplify right side
    258,278.63x = 63,129,974,892.39
  5. Step 5: Solve for x
    x = 63,129,974,892.39/258,278.63
  6. Step 6: Final answer
    x = 244,425.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.